Improvement in spoolers



S. F. COBB.

SPOOLERS.

No.183,906, Patented 0012.31.1876.

WITNESSES INVEIITOB ATTORNEYS.

mm STATES PATENT OFFICE.

SAMUEL F. COBB, OF ALBERTON, MARYLAND.

IMPROVEMENT IN SPOOLERS.

Specification forming part of Letters Patent No. 183,906, dated October31, 1876; application filed July 28, 1876.

To all whom it may concern Be it known that I, SAMUEL F. COBB, ofAlberton, in the county of Howard and State of Maryland, have invented anew and Improved Spooler; and I do hereby declare that the following isa full, clear, and exact description of the same.

The invention relates to cotton-spoofing machines-more particularly tothe construction of the thread-guide, and the construction of thecam-gear by which motion is imparted to the said bars, as hereinafterdescribed.

In the accompanying drawing, forming part of this specification, Figurel is a side elevation of my improved spooler, part of the camcylinderbeing broken out to show the application of the set-screw for adjustingthe cylinder. Fig. 2 is a plan. Fig. 3 is a detail view of the barbedthread-guide.

It should be understood at the outset that, while the drawing representsbut one spool and bobbin, there will be in practice any required numberarranged in a similar manner.

The spool A is revolved in the usual way, by frictional contact with arotating drum, B, and the ends of its spindle entervertical guidegrooves in the arches or transverse frames 0, so that as the spoolbecomes gradually filled with thread, wound thereon from the bobbin D,it will rise in said grooves, until the ends of the spindle fall intolateral recesses communicating with the grooves, thus indicating thatthe winding operation is complete, and the spool filled ready forremoval. The thread passes intermediately of the spool and bobbinthrough the slotted guide E, which is attached to the traversing-bar F.

The said guide differs from those ordinarily used in spoofing-machines,in that the respective arms of the same are provided with barbs or hooksa projecting inward from their upper ends, and caused to press togetherby reason of their own elasticity, the object being to prevent thethread being raised or lifted out of the guide by the attendant. Thefrequent temptation to the attendant to thus remove the thread from theguide arises from the formation of bunches or knots in the thread, whichare two large to pass through the guide, and should be cut out, and thethread neatly spliced. But as the splicing requires time, labor, andcareful manipulation, the tendency is to avoid it, and this can bereadily done by raising the thread out of the guide as ordinarilyconstructed, and holding it so raised, till the rotation of the spoolhas wound the knot upon the spool. My construction of guide effectuallyprevents this, and compels the operator to remove the bunch or knot, andsplice the thread so that it may continue to be drawn through the guide.

The traversing-bar F is arranged to work in guides formed by slottingthe sides of the arches 0, to receive the bar as shown, thus bringingthe bar close alongside the cam H. The cam is in the form of a hollowcylinder having an endless slot, which extends diagonally nearly thelength of the cylinder on two sides, thus having a V shape at the pointwhere the groove returns, or passes from one side of the cylinder to theother. An arm, a, carrying a friction-sleeve, projects from thetraverse-bar and works in the said groove. The bar is caused toreciprocate or traverse a distance of the length of the spool A betweenits heads, thus laying the thread thereon evenly and perfectly. Atraverse-bar, F, is arranged on each side of the cam, the form of theslot, causing the respective bars to reciprocate in opposite directions,and winding the thread upon two different sets of spools operatedsimultaneously by the same drum.

The cam is secured upon a short shaft, 1, by means of a set-screw,Fig.1, so that it may be adjusted longitudinally as required by the wearof the edges of the cam-groove, or the guide, or other cause. Aspur-gear, c, is formed on the inner end of the same, and meshes with apinion, d, which forms part of the gearing, by which motion iscommunicated to the cam. I thus avoid the necessity of a separate gearto transmit motion from the driving-shaft to the cam-shaft, and therebyto the cam itself, and likewise secure a more compact arrangement ofgearing, greater economy in the manufacture of the machine, and lessfriction in its operation. The adjustment of the cam-cylinder, and itsattached gear 0 (by means of the set-screw) is provided for by thepinion dbeing made about twice the length of the width of .the gear 0.

the gear 0 attached,'and made adjustable on its shaft, the long pinion(1 arranged beneath the gear, and meshing therewith, all combined asshown and described.

The above specification of my invention, signedby me this 25th day ofJuly, 1876.

S. F. COBB. Witnesses:

A. W. HART, AUG. M. TANNEB.

